

이십 분만 기다려 주세요.
[isip punman kitaljʌ t͡ɕusejo.]
Please wait just twenty minutes.
버스가 이십 분 후에 와요.
[pʌsɯka isip pun hue wajo.]
The bus comes in twenty minutes.
혹시 이십 층에 살아요?
[hoks͈i isip t͡ɕʰɯŋe salajo?]
Do you happen to live on the 20th floor?
"이십" is in the lesson "Big numbers" (Level 4), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.